Large, Double Terminated Quartz Crystal - NAM 025

Large, double terminated quartz crystal

Measurements:  115 x 65 x 60 mm 

Description:  A large, double terminated quartz crystal with a touch of amethyst colouring. Parts of the crystal is coated with feldspar. 

It is a good example of phantom formation with part of the phantom being exposed (image top right), although it is too opaque to be classified as such. 

There is a neat pressure mark. One of the terminations has a nick, while the rest of the crystal has only small nicks. Crystals like this are not very common from Erongo.

Weight of Specimen:  462 g

Chemical Composition:  SiO2  (quartz) 
                                        KAlSi3O8 (feldspar) 

Hardness on Mohs Scale:  (quartz)  7 
                                           (feldspar)  6 - 6.5 

Location:  Erongo Mountains, Erongo Region, Namibia.

Specimen Code:  NAM 025

R 200

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